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Finding the Fourth Proportional to 361,604.80, 542,416.80 and 112,292.80

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Solution

The fourth proportional to 361,604.80, 542,416.80 and 112,292.80 is: 168,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,604.80 : 542,416.80 = 112,292.80 : x
  2. Step 2: Convert to fraction form
    361,604.80/542,416.80 = 112,292.80/x
  3. Step 3: Cross multiply
    361,604.80x = 542,416.80 × 112,292.80
  4. Step 4: Simplify right side
    361,604.80x = 60,909,501,239.04
  5. Step 5: Solve for x
    x = 60,909,501,239.04/361,604.80
  6. Step 6: Final answer
    x = 168,442.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.